Home / 6,725.28-9,280.32-3,740.88

Finding the Fourth Proportional to 6,725.28, 9,280.32 and 3,740.88

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Solution

The fourth proportional to 6,725.28, 9,280.32 and 3,740.88 is: 5,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725.28 : 9,280.32 = 3,740.88 : x
  2. Step 2: Convert to fraction form
    6,725.28/9,280.32 = 3,740.88/x
  3. Step 3: Cross multiply
    6,725.28x = 9,280.32 × 3,740.88
  4. Step 4: Simplify right side
    6,725.28x = 34,716,563.48
  5. Step 5: Solve for x
    x = 34,716,563.48/6,725.28
  6. Step 6: Final answer
    x = 5,162.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.